Planooraph co



R. A. SMITH.

UMBINED LETTER SHEET AND ENVELOP.

APPLICATION FILED mm. 9. Isn.

Patented oen 7,1919.

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THB COLUMBIA PLANOURAPH C0.. WASHINGTON, n. c.

R. A. SMITH. COMBINED LETTER SHEET ANDAENVELOP.

APPLICATION FILED MAR. 9, i917. 1 ,318,236. Patented oet. 7,1919.

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Appiiee'tion--mea-mrch9,1917; SeriarNo. 15e-,623. l

T0,l allwhome't may concern vBe it known that I, RONALD A. SMiTH, a citizen of the United States, residing at Mount Pleasant, in itlrefcounty off-fWestmoreland and State of Pennsylvania, have invented certain new and useful y Improvements in @l'oinbined'Ik LetterfSheets and velops; and I do hereby declare the follow-J" ing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in combined letter sheets and envelops.

The object of the invention is the provision of a rectangular sheet, which when folded provides a combined letter sheet and envelop, and one that may be easily and quickly folded and the sheet located on the interior and completely concealed when folded to present the envelop.Y

Another object of this invention is the provision of a rectangular sheet, which when folded completes a combined letter sheet and envelop and is of such a character, as to be simple, practical and comparatively inexpensive in construction, and one that can be manufactured and sold at a small cost.

With these and other objects in view, the invention consists of the novel combination and arrangement of parts hereinafter moreJ fully described and claimed.

In the drawings:

Figure 1 is a plan view of a rectangular sheet of paper from which my improved envelop and letter sheet may be formed.

Fig. 2 is a plan view showing the sheet folded transversely intermediate its ends and is the first step in the folding of the rectangular sheet, Y,

Fig. 3 illustrates the third step of the folding of the sheet and is folded on a diagonal line to represent a triangle,

Fig. 4 illustrates the fourth step showing the ends of the triangle bent inwardly overlapping one another, and one flap located beneath the wing,

Fig. 5 illustrates the envelop in complete folded position.

Fig. 6 is a front view of the envelop in the folded position,

Fi 7 is a sectional view taken on the line -7 of Fig. 5,

Fig. 8 is a sectional View teken en the' line S=-8 of Fig. 4. 4

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Referringin detail tothe drawings, the@ numeral 1f illustrates a rectangular-sheet of paper which; constitutes a. letter sheet and envelop when yin folded position, which will be--hereinaftermore fully described;

The sheet is `lirst folded on the transverse lline 2, whichline` is*adjacentl oneV end" of the vsheet constituting approximately onethird of the sheet. The sheet is then folded on the diagonal line 3 forming the triangle 4, as shown in Fig. 3. Fig. 2 illustrates the first step of the operating showing one end of the sheet l folded on the line 2 and hav.- ing one end cut. away as at 5, the purpose of which will be hereinafter more fully described.

It will be understood that by folding the rectangular sheet on the line 2, and on the diagonal line 3, it provides a double sheet, the upper flap of the double sheet being bent back upon itself on the line 6 and the sealing flap 10 is substantially triangular and is adapted to be folded down and completely cover the ends 13 and end of the members 7 and is sealed to complete the envelop. The rectangular sheet l is folded on the line 2 as described and this portion provides the lower end of the inner writing sheet 14 and when the sheet 14 is folded on the diagonal line 3 the writing surface is completely hidden on the interior, and provides a substantially triangular shaped member, the ends of which designated 7 are folded onthe lines 8 and overlie the upper portion of the upper fold constituted by the folding on the line 3, the flap 10 is then sealed completing a plane surface 15 for the address or the like.

It being understood that the line 16 of the envelop or sealing Hap 10I can be perforated to permit the same to be readily slit so that the same can be unfolded and the writing matter on the interior of the sheet exposed to view, the outer portion not containing writing matter will be the inner face of the sealing liap 10.

What is claimed:

As an article of manufacture, a letter sheet and envelo formed from a rectangular oblong sheet airing an inwardly estenda ing triangular shaped/notch formed in one longitudinal edgeY thereof adjacent its lower end, said sheet being folded on a transverse line extending from the apex of the triangu# lar shaped notch to the opposite side of the sheet to form a square blank land then doubled on a diagonal line extending from one corner to the opposite diagonal corner-"to lenvelop, leaving the right angle portion to i form a covering flap to overlap and seal the base angles, said right angle portions being arranged to extend below the base angles to engagethe body of the envelop, the apex of the outer superimposed triangle forming the right angle attaching portion overlying the notch portion ofthe sheet so as to engage the body lof the envelop below the base angles, as and for the purpose specified.'

In testimonyvvhereof I affix my signature in presence of two Witnesses.

'l RONALD A. SMITH.y`

Copies of this patent may be obtained for ive centseach, by addressing the Commissioner of Patents Washington, D. C. 

